org.proteios.core.query
Class SelectedExpression

java.lang.Object
  org.proteios.core.query.SelectedExpression

All Implemented Interfaces:

Expression, QueryElement

public class SelectedExpression
extends Object
implements Expression

An expression representing an already selected expression. If the select object has an alias, the alias is used otherwise the expression is regenerated.

Version:

2.0

Author:

Nicklas

See Also:

Expressions.selected(Select)

Last modified

$Date: 2009-04-09 08:48:11 +0200 (Thu, 09 Apr 2009) $

Method Summary

String	toQl(Query query, DbControl dc) Create a query language string of the query element.
String	toString()
String	toXml()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

toQl

public String toQl(Query query,
                   DbControl dc)
            throws BaseException

Description copied from interface: QueryElement

Create a query language string of the query element. Use the Query.getQueryType() method to find out which query language is wanted in case the element requires different syntax for different languages.

Specified by:

toQl in interface QueryElement

Parameters:

query - The query that is about to be executed

dc - The DbControl object used to execute the query

Throws:

BaseException - If there is any other error

toXml

public String toXml()

toString

public String toString()

Overrides:

toString in class Object